From: lee.jones@linaro.org (Lee Jones)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Boottime: A tool for automatic measurement of kernel/bootloader boot time
Date: Fri, 12 Oct 2012 15:01:49 +0100 [thread overview]
Message-ID: <20121012140149.GJ12567@gmail.com> (raw)
In-Reply-To: <201210121353.16798.arnd@arndb.de>
On Fri, 12 Oct 2012, Arnd Bergmann wrote:
> On Friday 12 October 2012, Russell King - ARM Linux wrote:
> > > root at ME:/ cat /sys/kernel/debug/boottime/bootgraph
> > > [ 0.185254] calling splash+0x0/0x0
> > > [ 2.984335] initcall splash+0x0/0x0 returned 0 after 2799 msecs.
> > > [ 2.984335] calling autoboot_delay+0x0/0x0
> > > [ 4.089513] initcall autoboot_delay+0x0/0x0 returned 0 after 1105 msecs.
> > > [ 4.089513] calling load_kernel+0x0/0x0
> > > [ 4.239174] initcall load_kernel+0x0/0x0 returned 0 after 149 msecs.
> > > [ 4.239174] calling boot_kernel+0x0/0x0
> > > [ 4.276260] initcall boot_kernel+0x0/0x0 returned 0 after 37 msecs.
> > > [ 4.276260] calling uncompress_ll_init+0x0/0x0
> > > [ 4.276260] initcall uncompress_ll_init+0x0/0x0 returned 0 after 0 msecs.
> > > [ 4.276260] Freeing init memory: 0K
> >
> > Umm, what happened to sysfs not becoming procfs v2? I thought we had
> > a fairly strict requirement for "one value per file and not nicely
> > formatted" for sysfs?
> >
>
> I was thinking the same thing at first, but then I noticed it's actually
> debugfs, which has no such rules.
Right. :)
--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2012-10-12 14:01 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-11 14:42 [PATCH] Boottime: A tool for automatic measurement of kernel/bootloader boot time Lee Jones
2012-10-11 15:24 ` Christian Gmeiner
2012-10-11 15:36 ` Lee Jones
2012-10-11 20:17 ` Nishanth Menon
2012-10-12 9:37 ` Lee Jones
2012-10-12 9:51 ` Lee Jones
2012-10-12 13:35 ` Dan Murphy
2012-10-12 13:45 ` Lee Jones
2012-10-12 13:48 ` Russell King - ARM Linux
2012-10-12 13:53 ` Arnd Bergmann
2012-10-12 14:01 ` Lee Jones [this message]
2012-10-12 16:36 ` Dan Murphy
2012-10-12 16:42 ` Lee Jones
2012-10-15 15:52 ` Dan Murphy
2012-10-16 7:34 ` Lee Jones
2012-10-23 7:19 ` Lee Jones
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20121012140149.GJ12567@gmail.com \
--to=lee.jones@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).